Chapter 7
Centrally Routed Bridging
The previous two chapters described how to extend VLANs (bridge domains) over a routed infrastructure running EVPN VXLAN, using L2VNIs and a bridged overlay design. A logical extension of this design is the requirement to route between VLANs/VNIs. In an EVPN VXLAN fabric, two major design methodologies exist for this: centrally routed bridging (CRB) and edge-routed bridging (ERB). This chapter provides a detailed look at how centrally routed bridging is designed and configured, along with some historical problems with this architecture, how these were solved, and the state of CRB today.
Introducing Integrated Routing and Bridging and CRB Design
Since this is the first chapter in which routing between VLANs/VNIs ...
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